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OnePlus 8 Pro vs Samsung Galaxy S21 Ultra 5G

2.93 in
6.51 in
OnePlus 8 Pro Mobile Phone
OnePlus 8 Pro
2.98 in
6.36 in
Samsung Galaxy S21 Ultra 5G Mobile Phone
Samsung Galaxy S21 Ultra 5G
Editiorial reviews
17
4.3 out of 5
12 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
16
4.4 out of 5
10 user ratings
5 stars
60 %
4 stars
40 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
43
4.2 out of 5
43 user ratings
5 stars
44 %
4 stars
34 %
3 stars
18 %
2 stars
2 %
1 stars
0 %
43
4.3 out of 5
43 user ratings
5 stars
46 %
4 stars
39 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Video Comparisons (1)

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Full Comparison

Hardware

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Operating systemOxygenOSAndroid 11
CPU cores8-core8-core
CPU modelQualcomm Snapdragon 865Samsung Exynos 2100
RAM memory
  • 12 GB
  • 8 GB
  • 12 GB
  • 16 GB

Display

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Screen size6.78 in6.8 in
Resolution3168 x 1440 px3200 x 1440 px
TechnologyFluid AmoledInfinity-O Dynamic AMOLED 2X
Pixel density513.0 ppi515.0 ppi
Screen materialCorning Gorilla Glass 3D
Corning Gorilla Glass Victus
HDRyesyes

Rear camera

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Primary sensor resolution48.0 Mpx12.0 Mpx
Resolution (second camera)8.0 Mpx108.0 Mpx
Resolution (third camera)48.0 Mpx10.0 Mpx
Resolution (fourth camera)5.0 Mpx10.0 Mpx
Lens aperture (second camera)F/2.44F/1.8
Lens aperture (third camera)F/2.2F/2.4
Lens aperture (fourth camera)F/2.4F/4.9
Field of View (FoV) (third camera)120.0 °35.0 °
Focus adjustmentAutomaticAutomatic

Front camera

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Primary resolution16.0 Mpx40.0 Mpx
Focus adjustmentAutomaticAutomatic
Lens apertureF/2.45F/2.2

Storage

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Internal storage
  • 128 GB
  • 256 GB
  • 128 GB
  • 256 GB
  • 512 GB

Dimensions

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Height6.51 in6.36 in
Width2.93 in2.98 in
Depth0.33 in0.35 in
Weight7.02 oz8.01 oz

Sensors

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Accelerometeryesyes
Proximityyesyes
Ambient light sensoryesyes
Gyroscopeyesyes

Connectivity

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Dual sim supportyesyes
Sim card sizeNano-SIM
  • Nano SIM
  • Electronic SIM card
Bluetoothyesyes
Bluetooth version5.15.0
NFCyesyes
Charging connectionUSBUSB
Type of USB connectorUSB Type-CUSB Type-C

Cellular

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Data transmission
  • GPRS
  • EDGE
  • EV-DO
  • HSDPA
  • HSUPA
  • HSPA+
  • LTE
  • LTE Advanced
  • FDD-LTE
  • TDD-LTE
  • 5G NR FR1
  • 5G NR
  • 5G NR FR1
  • FDD-LTE
  • HSPA+
  • HSUPA
  • LTE
  • TDD-LTE
  • FDD-LTE
  • TDD-LTE
  • 5G NR FR1
Navigation system
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
UMTS frequences
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 800 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz

Battery

OnePlus 8 ProOnePlus 8 Pro
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5G
Battery capacity4510.0 mAh5000.0 mAh

Pros & Cons

Pros
      Cons

          Often compared with OnePlus 8 Pro

          Often compared with Samsung Galaxy S21 Ultra 5G